Founder Directory
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Founders3
Known for these resultsRole67%Role is parsed from founder titles in yc.db. Known for 67% of these rows — the rest have no title at all, mostly 2019–2023. Those rows stay in the result and are counted as Unknown, never as No.Bio100%Bio coverage: 100% of these founders have a bio on their YC profile. Every bio-derived facet (ex-company, school, credentials, discipline) is Unknown for the rest.Ex-company100%Ex-company is matched from bios with employment context (ex-, formerly, worked at). 100% of these rows have at least one match.School100%School is matched from bios, case-sensitive for acronyms. 100% of these rows have at least one match.
- Saad Jamal@sadjamz_Founder/CTO · AntigenF25B2B · San Francisco
- Alan Liu@AlanLiu96Founder/CEO · Health HarborS23Healthcare · San Francisco
- Tyson ChenFounder · AvocaW23B2B · New York
FOUNDERROLEBATCHINDUSTRYLOCATIONTEAMX_url
Saad JamalAntigenFounder/CTOFall 2025B2BSan Francisco, United States5https://x.com/sadjamz_Alan LiuHealth HarborFounder/CEOSummer 2023HealthcareSan Francisco, United States4https://x.com/AlanLiu96Tyson ChenAvocaFounderWinter 2023B2BNew York, United States85—
Showing 1–3 of 3 founders
Saad Jamal
Founder/CTO·Antigen
PRIMARY INFO
RoleFounder/CTO
Team size5
BatchFall 2025
LocationSan Francisco, United States
Company statusActive
StageEarly
BIO
co-founder @ antigen. prev. ml infra at tesla autopilot. law school dropout. Before Zag, Saad trained reasoning models with Ashish Vaswani, author of the famous Attention Is All You Need paper. At Nuro, he developed an ML Compiler framework that enabled running the perception layer across multiple GPU's. And at Tesla he built infrastructure that halved the time it took to train Planning & Controls models. He also served at the Supreme Court of Pakistan and dropped out of UChicago Law.
Ex-company, school and discipline below are derived from this bio. Nothing is inferred when the bio is missing.
BACKGROUND
CredentialsDropout / Thiel
DisciplineEngineerKeyword match from the bio text, not a classifier.
TRACK RECORD
First YC company on record
COMPANY CONTEXT
Antigen
Continuous offensive security for the enterprise.
Co-foundersAbdullah Nauman@_AbdullahNauman
